🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197

Radius: 12.5

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.2 AU - 1.22 AU

Year: 873 Days

Day: 6.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,052,348 km

• M1: 155,432 km (0.031 R)
• M2: 651,798 km (0.038 R)
• M3: 1,506,600 km (0.086 R)
• M4: 2,022,713 km (0.086 R)
• M5: 3,589,601 km (0.117 R)
• M6: 5,817,712 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.4

Radius: 14.1

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.91 AU - 2.97 AU

Year: 3307 Days

Day: 11.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,052,348 km

• M1: 175,478 km (0.116 R)
• M2: 709,543 km (0.111 R)
• M3: 1,247,796 km (0.113 R)
• M4: 2,196,845 km (0.043 R)
• M5: 2,897,561 km (0.071 R)
• M6: 4,563,184 km (0.055 R)
• M7: 5,065,384 km (0.114 R)
• M8: 5,847,033 km (0.099 R)
• M9: 7,553,496 km (0.107 R)
• M10: 8,646,607 km (0.083 R)
• M11: 9,803,747 km (0.089 R)
• M12: 10,810,092 km (0.099 R)
• M13: 12,654,633 km (0.11 R)
• M14: 13,896,894 km (0.094 R)
• M15: 15,010,202 km (0.042 R)
• M16: 20,002,432 km (0.094 R)
• M17: 20,703,597 km (0.084 R)
• M18: 21,289,423 km (0.103 R)
• M19: 21,953,338 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.1

Radius: 13.1

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.64 AU - 4.04 AU

Year: 4004 Days

Day: 13.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,052,348 km

• M1: 162,912 km (0.068 R)
• M2: 594,502 km (0.05 R)
• M3: 1,280,259 km (0.077 R)
• M4: 2,184,428 km (0.119 R)
• M5: 2,648,182 km (0.038 R)
• M6: 3,159,657 km (0.088 R)
• M7: 6,451,109 km (0.081 R)
• M8: 7,987,629 km (0.091 R)
• M9: 8,443,005 km (0.101 R)
• M10: 10,034,277 km (0.105 R)
• M11: 11,200,991 km (0.045 R)
• M12: 11,772,604 km (0.043 R)
• M13: 13,408,756 km (0.097 R)
• M14: 13,953,143 km (0.098 R)
• M15: 15,675,014 km (0.109 R)
• M16: 16,223,739 km (0.104 R)
• M17: 16,842,177 km (0.027 R)
• M18: 20,691,629 km (0.098 R)
• M19: 21,553,313 km (0.078 R)
• M20: 22,027,090 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.5

Radius: 9.8

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3 AU - 3.9 AU

Year: 4204 Days

Day: 12 Hours

Environment

Temp: -198 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,052,348 km

• M1: 121,922 km (0.073 R)
• M2: 427,700 km (0.097 R)
• M3: 744,698 km (0.102 R)
• M4: 1,083,388 km (0.087 R)
• M5: 1,953,000 km (0.12 R)
• M6: 2,365,442 km (0.101 R)
• M7: 2,922,694 km (0.062 R)
• M8: 3,667,242 km (0.111 R)
• M9: 4,051,410 km (0.064 R)
• M10: 4,462,355 km (0.082 R)
• M11: 4,875,843 km (0.077 R)
• M12: 8,236,111 km (0.073 R)
• M13: 8,710,486 km (0.083 R)
• M14: 9,794,173 km (0.075 R)
• M15: 11,272,200 km (0.052 R)
• M16: 12,368,154 km (0.058 R)
• M17: 13,684,465 km (0.116 R)
• M18: 14,040,359 km (0.077 R)
• M19: 15,747,270 km (0.071 R)
• M20: 17,948,902 km (0.039 R)
• M21: 19,826,056 km (0.117 R)
• M22: 23,024,758 km (0.062 R)
• M23: 24,559,333 km (0.091 R)
• M24: 25,619,383 km (0.106 R)

Asteroid Belt

Center: 3.8 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346

Radius: 14.7

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.33 AU - 4.97 AU

Year: 5546 Days

Day: 8.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,052,348 km

• M1: 183,108 km (0.047 R)
• M2: 669,750 km (0.112 R)
• M3: 1,416,692 km (0.104 R)
• M4: 1,882,390 km (0.098 R)
• M5: 2,839,218 km (0.084 R)
• M6: 3,556,839 km (0.114 R)
• M7: 4,035,103 km (0.119 R)
• M8: 4,580,388 km (0.107 R)
• M9: 5,654,201 km (0.061 R)
• M10: 7,241,734 km (0.039 R)
• M11: 8,086,513 km (0.102 R)
• M12: 9,378,889 km (0.081 R)
• M13: 10,634,913 km (0.073 R)
• M14: 11,458,599 km (0.085 R)
• M15: 12,749,479 km (0.035 R)
• M16: 13,380,931 km (0.094 R)
• M17: 14,654,159 km (0.063 R)
• M18: 17,322,985 km (0.054 R)
• M19: 19,147,031 km (0.085 R)
• M20: 21,029,272 km (0.056 R)
• M21: 21,980,714 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.1

Radius: 11

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.23 AU - 6.07 AU

Year: 7667 Days

Day: 12.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,052,348 km

• M1: 136,732 km (0.092 R)
• M2: 882,627 km (0.092 R)
• M3: 1,664,875 km (0.077 R)
• M4: 2,563,210 km (0.108 R)
• M5: 2,979,541 km (0.117 R)
• M6: 4,507,833 km (0.12 R)
• M7: 5,293,969 km (0.113 R)
• M8: 10,186,269 km (0.114 R)
• M9: 13,557,457 km (0.11 R)
• M10: 14,068,483 km (0.074 R)
• M11: 15,432,965 km (0.09 R)
• M12: 16,948,990 km (0.119 R)
• M13: 17,945,461 km (0.101 R)
• M14: 23,118,406 km (0.074 R)
• M15: 23,766,464 km (0.113 R)
• M16: 28,278,186 km (0.111 R)
• M17: 29,113,092 km (0.101 R)
• M18: 29,678,871 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 350.9

Radius: 7.4

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.01 AU - 6.69 AU

Year: 10497 Days

Day: 17.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,052,348 km

• M1: 260,001 km (0.094 R)
• M2: 604,974 km (0.099 R)
• M3: 1,448,706 km (0.096 R)
• M4: 2,382,795 km (0.1 R)
• M5: 5,649,115 km (0.086 R)
• M6: 7,803,175 km (0.119 R)
• M7: 8,250,323 km (0.103 R)
• M8: 10,021,412 km (0.119 R)
• M9: 11,872,536 km (0.066 R)
• M10: 17,578,348 km (0.1 R)
• M11: 18,275,923 km (0.078 R)
• M12: 25,054,951 km (0.082 R)
• M13: 25,317,794 km (0.036 R)
• M14: 26,297,062 km (0.066 R)
• M15: 32,917,964 km (0.094 R)
• M16: 34,514,622 km (0.082 R)
• M17: 35,167,617 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 462.8

Radius: 4.3

Gravity: 25.03 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 6.81 AU - 7.53 AU

Year: 12595 Days

Day: 21.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,052,348 km

• M1: 53,706 km (0.083 R)
• M2: 384,317 km (0.081 R)
• M3: 611,556 km (0.069 R)
• M4: 1,061,397 km (0.117 R)
• M5: 1,260,960 km (0.052 R)
• M6: 1,979,329 km (0.073 R)
• M7: 7,389,686 km (0.049 R)
• M8: 12,131,340 km (0.105 R)
• M9: 13,324,383 km (0.071 R)
• M10: 14,204,617 km (0.092 R)
• M11: 14,593,422 km (0.104 R)
• M12: 17,222,754 km (0.07 R)
• M13: 23,575,278 km (0.094 R)
• M14: 35,892,868 km (0.112 R)
• M15: 47,023,099 km (0.089 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 15,941 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit